LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Need help car wont idle

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Old May 16, 2010 | 10:46 AM
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kierstyn's Avatar
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Default Need help car wont idle

Ok heres the problem I can start the car and it will idle fine. When I drive down the road and go to stop it wants to idle down and die. The car is h/c with 52mm tb it has been tuned for all this and ran right before but started doing this recently. I have checked fuel pressure and changed the filter with no change. Anyone have any ideas?
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Old May 16, 2010 | 10:52 AM
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i had my idle messed up as well after the tune, sometimes it just forgets the tune(idle) call your speed shop where you got the tune and im sure they can just adjust it again.
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Old May 16, 2010 | 12:36 PM
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What year, mods, etc.?

You need to get a scanner on the IAC follower tables and see what you come up with.
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Old May 16, 2010 | 08:41 PM
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94 model h/c car 52mm tb full boltons longtubes no egr crap. Anything else you need info on? It was tuned by a local shop and ran fine for over a year with the tune. Kinda crazy I guess.
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Old May 16, 2010 | 08:48 PM
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Yeah, you'll need to get a scanner on it to check the IAC.
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Old May 17, 2010 | 03:49 AM
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Ok i will try that and see whats up.
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